A novel method for multi-objective design optimization based on fuzzy systems

Document Type : Research Paper

Authors

Department of Mechanical Engineering, Malek Ashtar University of Technology, Shahin Shahr, Iran

Abstract

A novel strategy to design optimization is expressed using the fuzzy preference function concept. This method efficiently uses the designer’s experiences by preference functions and it is also able to transform a constrained multi-objective optimization problem into an unconstrained single-objective optimization problem. These two issues are the most important features of the proposed method which using them, you can achieve a more practical solution in less time. To implement the proposed method, two design optimizations of an unmanned aerial vehicle are considered which are: deterministic and non-deterministic optimizations. The optimization problem in this paper is a constrained multiobjective problem that with attention to the ability of genetic algorithm, this algorithm is selected as the optimizer. Uncertainties are considered and the Monte Carlo simulation (MCS) method is used for uncertainties modeling. The obtained results show a good performance of this technique in achieving optimal and robust solutions.

Keywords

Iranian Journal of Fuzzy Systems
Volume 18, Issue 5
September and October 2021
Pages 181-198

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